<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta
        name="viewport"
        content="width=device-width, initial-scale=1.0"
    >
    <title>帮助中心</title>
</head>

<body>
    <h1>帮助中心</h1>
    <nav>
    </nav>
</body>

</html>
